| Identification Data |
| Common Name | |
| Constellation | Serpens |
| Star Name | 4 Ser |
| Skymap Number | 15150129 |
| Henry Draper (HD) Number | 135559 |
| Harvard Revised (HR) Number | 5679 |
| SAO Number | 120920 |
| Durchmusterung (DM) Number | BD+00 3327 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 161399 |
| Right Ascension (RA) J2000 | 15h 15m 49.077s |
| Declination (Dec) J2000 | +0° 22' 19.699" |
| Position Uncertainty | 0.0088s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00715 |
| Proper Motion in Dec (J2000) | +0.012866 |
| Radial Velocity | -012.0km s-1 |
| Trigonometric Parallax | +0.02020s |
| Trigonometric Parallax Uncertainty | 0.00095s |
| GCI Unit Vector in X (J2000) | -0.656644 |
| GCI Unit Vector in Y (J2000) | -0.754172 |
| GCI Unit Vector in Z (J2000) | 0.006495 |
| Galactic Longitude | 1.32° |
Galactic Latitude
| 46.23°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.63 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.81 |
| Observed B-V Colour | +0.178 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.6 |
| Observed Photographic Magnitude | 5.7 |
| Morgan Keenan (MK) Spectral Type | A4V |
| One-Dimensional Spectral Class | A3 |
| Position Angle | |
| Year of Observation | AD |
